<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org/">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <base th:href="${#servletContext.getContextPath()+'/'}">
    <link rel="stylesheet" type="text/css" th:href="@{/bootstrap-3.4.1/dist/css/bootstrap.css}">
</head>
<body>
<span style="font-family: '微软雅黑', Arial">账号注册成功，需要激活后才能使用，激活链接已经发送到你的邮箱</span>
<span>

    <form action="https://mail.qq.com/" method="post">
        点击<button type="submit" class="btn btn-info btn-small">此处</button> 立即登录邮箱激活账号。
    </form>

</span>
</body>
</html>